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This is a genuine Yamaha OEM front fork inner suspension spring designed for classic air-cooled RD-series motorcycles. Manufactured from heavy-duty spring steel, it supports proper front suspension geometry, rebound control, and load handling. Ideal for vintage restorations, factory-style rebuilds, or replacing a worn or weakened fork spring. Item Specifics Brand: Yamaha OEM Part Type: Front Fork Inner Suspension Spring OEM Part Number: 278-23141-50-00 Material: Heavy-Duty Spring Steel Fitment & Compatibility Yamaha RD250 First Generation (Air-Cooled): 1972–1980 Yamaha RD250: 1973, 1974, 1975 Yamaha RD250DX: Late 1970s UK/European models Yamaha RD350: 1973–1975 Some RD350 export versions may share a similar 34mm fork layout. Please compare the OEM number, spring dimensions, and your parts manual before purchase.
Please verify compatibility with your specific motorcycle model before purchasing.
Cleaning Status
partially_cleaned
Cleaning Notes
Used degreaser
Worldwide shipping available
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Estimated delivery: 2-5 business days
All items are carefully packaged for safe transit
Items can be insured — contact us for more information
30-day return policy on most items
Items must be in original condition and packaging
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Yes, all parts with OEM numbers are genuine manufacturer parts. Check the specifications tab for the OEM number.
We offer a 30-day return policy. Items must be in original condition. See the Shipping tab for complete details.
Yes, we ship to most countries worldwide. Shipping costs and delivery times vary by location.
Parts are sold separately. We recommend professional installation for safety and warranty purposes.
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